Ключевые слова: acuity, background, care, chart, check, checkup, closeup, concept, conceptual, correction, corrective, diagnosis, diagnostic, diminishing, disease, exam, examination, examine, eye, eyeglasses, eyesight, focus, frames, glasses, health, healthcare, inspection, lens, letters, longsighted, medical, medicine, myopia, nobody, ophthalmology, optic, optical, optician, optometrist, optometry, pattern, read, see, sight, spectacles, test, texture, vision, visual, white,